Alert archive / Kansas / Tornado Warnings in 2012

Tornado Warning 47, NWS Dodge City, KS

April 30, 2012Barber County, Pratt County, Kansas

NWS Dodge City, KS issued this tornado warning at Apr 30, 2012, 8:12 PM CDT for Barber County, Pratt County, Kansas. It was in force for 15 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 30, 2012, 8:12 PM CDT (01:12 UTC)
Expired
Apr 30, 2012, 8:27 PM CDT
In force
15 min
Issued by
NWS Dodge City, KS
Area
Storm-based polygon

Counties Barber County, KS, Pratt County, KS

The radar

The Vance AFB radar (KVNX), 92 km from the middle of the area, began a volume at 01:14 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 30, 5:42 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 1.2 hours before the alert went out and 126 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Dodge City, at 00:00Z on 2012-05-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1421 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dodge City, at 00:00Z on 2012-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 102 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1421 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
613 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
102 m²/s²
0-3 km storm-relative helicity
283 m²/s²
Significant tornado parameter
1.9
Supercell composite
11.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

120 
WFUS53 KDDC 010112
TORDDC
KSC007-151-010145-
/O.NEW.KDDC.TO.W.0047.120501T0112Z-120501T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DODGE CITY KS
812 PM CDT MON APR 30 2012

THE NATIONAL WEATHER SERVICE IN DODGE CITY HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN BARBER COUNTY IN SOUTH CENTRAL KANSAS...
  SOUTHEASTERN PRATT COUNTY IN SOUTH CENTRAL KANSAS...

* UNTIL 845 PM CDT

* AT 810 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY STRONG ROTATION ASSOCIATED WITH A POSSIBLE TORNADO 3 MILES
  NORTHEAST OF ISABEL. THIS DANGEROUS STORM WAS MOVING EAST AT 25
  MPH.

* LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EXTREME NORTHEASTERN BARBER AND EXTREME
  SOUTHEASTERN PRATT COUNTIES.

NUMEROUS REPORTS OF PERSISTENT FUNNEL CLOUDS HAVE BEEN RECEIVED WITH 
THIS SEVERE THUNDERSTORM. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3743 9856 3756 9860 3760 9847 3759 9846
      3756 9845 3743 9846
TIME...MOT...LOC 0112Z 258DEG 21KT 3749 9850
HAIL <.50IN

$$

RUSSELL
1 follow-up statement
647 
WWUS53 KDDC 010127
SVSDDC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DODGE CITY KS
827 PM CDT MON APR 30 2012

KSC007-151-010137-
/O.CAN.KDDC.TO.W.0047.000000T0000Z-120501T0145Z/
PRATT KS-BARBER KS-
827 PM CDT MON APR 30 2012

...THE TORNADO WARNING FOR NORTHEASTERN BARBER AND SOUTHEASTERN PRATT
COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.

LAT...LON 3743 9856 3756 9860 3760 9847 3759 9846
      3756 9845 3743 9846
TIME...MOT...LOC 0127Z 258DEG 21KT 3751 9839

$$

RUSSELL

The office that day

Everything else NWS Dodge City, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 30, 7:00 PM CDTTornado WarningDDCKiowa30 min
Apr 30, 7:11 PM CDTSevere Thunderstorm WarningDDCEdwards, Ford, Hodgeman, Pawnee49 min
Apr 30, 7:12 PM CDTTornado WarningDDCBarber, Comanche33 min
Apr 30, 7:14 PM CDTTornado WarningDDCBarber, Pratt31 min
Apr 30, 7:28 PM CDTSevere Thunderstorm WarningDDCEdwards33 min
Apr 30, 7:31 PM CDTTornado WarningDDCKiowa, Pratt23 min
Apr 30, 7:41 PM CDTSevere Thunderstorm WarningDDCBarber49 min
Apr 30, 7:41 PM CDTTornado WarningDDCBarber, Pratt34 min
Apr 30, 7:44 PM CDTTornado WarningDDCBarber, Comanche31 min
Apr 30, 8:07 PM CDTSevere Thunderstorm WarningDDCEdwards, Ford, Kiowa26 min
Apr 30, 8:15 PM CDTTornado WarningDDCBarber30 min
Apr 30, 8:40 PM CDTSevere Thunderstorm WarningDDCEdwards, Kiowa50 min
Apr 30, 8:44 PM CDTSevere Thunderstorm WarningDDCBarber21 min
Apr 30, 9:12 PM CDTSevere Thunderstorm WarningDDCBarber, Kiowa, Pratt48 min
Apr 30, 9:56 PM CDTSevere Thunderstorm WarningDDCBarber34 min

Nearby

Tornado Warnings in Kansas, 2012Every tornado warning in 2012Tornadoes in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.